Busbud recommends carpooling from Portsmouth to London
Among the sustainable travel choices, the carpool stands out as the good way to reach London. The journey takes about 1 hour 40 minutes and with fares starting at just $10, it presents an excellent value for a comfortable ride.
1carpool per day
1h 40mAverage Duration
$10Cheapest ticket
4kgCO₂ emissions
Train Portsmouth to London: Trip Overview
Please note, this information is subject to change.
Users have reported a smooth service with comfortable trains and effective heating. However, some feedback indicates that the staff at Portsmouth ticket office could be more welcoming, as there were concerns about communication when purchasing tickets through agencies.
South Western Railway Portsmouth London recent customer reviews
The staff at Portsmouth ticket office were quite unfriendly and they said that buying tickets through agencies is very unreliable and there is no communication between yourselves and them.
4 out of 5 stars
Karen M.
Smooth service, comfortable train with good heating.
Based on 34 reviews, the company was rated 4.2 stars on Busbud. Travelers were especially satisfied with the staff and the timeliness but often complained with the ticket access. Southern ticket prices on this trip start at $13
With Busbud, comparing and booking tickets for a train from Portsmouth to London is a breeze. Browse through an extensive selection of train fares and train schedules to find the best deals.
We make sure you can find a train service from Portsmouth to London from the most reliable train companies operating this trip.
Whether it is train tickets or first class train tickets going to London from Portsmouth, we help you find what you're looking for based on how much of a budget you have.
Frequently asked questions for your trip Portsmouth - London
How much does a train ticket from Portsmouth to London cost?
The average train ticket price from Portsmouth to London is $43. The best way to find train tickets from Portsmouth to London is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!
How long is the train trip from Portsmouth to London?
A train trip between Portsmouth and London is around 2h 5m, although the fastest train will take about 1h 26m. This is the time it takes to travel the 65 miles that separates the two cities.
How many daily trains are there between Portsmouth and London?
The number of trains from Portsmouth to London can differ depending on the day of the week. On average, there are 36. Some trains are direct while others have layovers. Simplify your train trip from Portsmouth to London by comparing and selecting the train that fits your travel style and budget on Busbud.
Which train companies travel from Portsmouth to London?
When taking the train from Portsmouth to London, you can travel comfortably and safely with South Western Railway, Southern.
What are the best sights and things to do in London?
Once in London, you can exploring the city. The top sights and things to do are Madame Tussauds London, Kew Gardens, London Mithraeum, The British Museum, St Paul's Cathedral.
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
09/21
$33
09/22
$61
Today
$15
09/24
$12
09/25
$26
09/26
$19
09/27
$17
09/28
$21
The cheapest trip from Portsmouth to London was searched and found on Sep 24, 2025 with a price of $12
To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Portsmouth to London, as early as possible.
You can expect to pay from $12 to $264 for a train ticket from Portsmouth to London based on the last 2 days. You can expect to find the cheapest price for the trip at $12 which is on 2025-09-24.
Usually South Western Railway will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.
About Train Travel
Train Travel Tips
Taking the fastest trains allows you to travel at speeds greater than 300 km/h. Taking a trip from Portsmouth to London is not only much quicker but more comfortable too! You can usually travel directly to the city centre and save time while you're at it.
Regional train? High-speed train? Whichever train to London you take, you’ll help reduce the environmental impact and carbon footprint of your trip. As you watch the landscapes unfold before your eyes, you can tell yourself that with this choice, you are making sure they remain protected.
By choosing the train between Portsmouth and London, you emit up to 30 times less CO2 than for the same journey made by plane or car!
Make a music playlist for your train ride from Portsmouth to London, and enjoy the scenery to tunes from your own personal soundtrack.
Did you know?
Railway companies played a major role as early as 1883 in the use of time zones as we know them today.
The longest train journey in the world is between Europe and Asia. This long journey starts from Porto in Portugal and crosses the whole European continent to reach Hanoi in Vietnam in 12 days while traveling more than 17,000 km.
The first high-speed train line was inaugurated in 1964, in Japan, to connect Tokyo with Osaka. It was during the Olympics that the first passengers traveled aboard the Shinkansen at a speed of 210 km / h.
Busbud.com makes it easy for you to find, compare and book city-to-city bus tickets, all over the world. We save you the extra trip to the bus station. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.
Busbud recommends carpooling from Portsmouth to London
The cheapest trip from Portsmouth to London was searched and found on Sep 24, 2025 with a price of $12
